teetertater Posted February 8, 2021 Posted February 8, 2021 (edited) Hello EB! I'd like to humbly show this remote control (PF) winter expedition vehicle (MOC). Featuring 4 independently driven tracks with a unique steering system. More explanation below and in my YouTube video. It has many issues that I'm not willing to spend more time to fix, but I've learned a lot from the process, which will help improve my future MOCs. If I was to start from scratch here's what I would change: Put motors closer to driven axles Split drivelines into either front/back or single motor per tread less complicated steering system Use a different type of suspension instead of pendular raise the height of the driven sprocket instead of extending driveline with gears reduce weight with panels vs lifttarms (I didn't have any at the time of building) Never use an Adder again, or if I really have to then use the old-style 24t differentials Work more on the cabin/exterior design A sizeable portion of the issues stemmed from the weight, which is something I didn't expect! I ordered some parts to allow me to finish the frame, and added design elements in the meantime. The design elements were pretty much the difference between being-able-to-carry-its-own-weight and not. The MOC is already disassembled, but I'll be happy to hear feedback and suggestions! Edited February 8, 2021 by teetertater Quote
Jurss Posted February 8, 2021 Posted February 8, 2021 Interesting thing. Unusual. Could there be something incorrect in drive train, that it didn't worked well? Quote
Touc4nx Posted February 8, 2021 Posted February 8, 2021 I'm not sure that I understand the drivetrain… But at least it looks technic And I love the side ladders, quite compact, yet very functional Quote
teetertater Posted February 8, 2021 Author Posted February 8, 2021 1 hour ago, Jurss said: Interesting thing. Unusual. Could there be something incorrect in drive train, that it didn't worked well? There were lots of issues with the drivetrain. I think the biggest issue is that I used waaay too many gears to connect from the motor to the powered sprocket. E.g. motor --> 5 gears --> differential --> perpendicular gear --> perpendicular gear --> 5 gears --> sprocket. If I put the motor physically closer it wouldn't have as many problems with friction. 42069 did it right: 35 minutes ago, Touc4nx said: I'm not sure that I understand the drivetrain… But at least it looks technic And I love the side ladders, quite compact, yet very functional the drivetrain is uhh yeah glad you noticed the ladders! Took some thinking how to make them so compact. Quote
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